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Fourier transform infrared (FTIR) spectra of chitosan nanoparticle (black), tripolyphosphate (TPP) (purple), fluorescein isothiocyanate (FITC) (green), chitosan nanoparticle without β-myrcene (blue), and chitosan nanoparticle containing b-myrcene (magenta). For an interpretation of the references to color in this figure legend, the reader is referred to the electronic version of this article.
